Controlling Stormwater at the Source: Exploring best management practices

Photo courtesy Katie McKain

The U.S. Environmental Protection Agency (EPA) estimates stormwater runoff is responsible for 70 percent of all water pollution in lakes, rivers, and creeks. When developers use conventional methods such as impervious surfaces, stormwater is often left uncontrolled. The emergence of low-impact development (LID) and effective stormwater Best Management Practices (BMPs) are changing designers’ perceptions of stormwater from a constraint into an opportunity for natural processes to return.

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Dynamic air filtration for the marijuana industry


Dynamic Air Quality Solutions manufactures high-performance air filtration products including polarized-media air cleaners, carbon filtration systems, and germicidal ultraviolet (UV) systems. Dynamic Air Cleaners have been available to commercial and residential customers since 1982. About two years ago, the company discovered several of its products were being specified on commercial growing operations or, in that industry’s parlance, ‘grows.’

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White, Light, and Out of Sight: Geofoam applications for infrastructure and building projects

Photo courtesy Insulfoam

Design professionals are increasingly choosing geosynthetics like expanded polystyrene (EPS) geofoam as a lightweight fill material in infrastructure and building applications. The material is about 100 times lighter than traditional fills, yet is strong enough to support pavements carrying jumbo jets. EPS geofoam is durable, moisture-resistant, and, unlike other fills, has predictable stress/strain curves. The Federal Highway Administration (FHWA), state and local jurisdictions and private engineering firms have specified EPS geofoam for soft soil remediation, lateral load reduction upon retaining structures, slope stabilization, buried utility protection and structural void fill.

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